On-board armrest box



FIG. 1 is a front, right, and top perspective view of an on-board armrest box, showing my design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front, right, and top perspective view of the on-board armrest box of FIG. 1, wherein a box is opened.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the on-board armrest box that form no part of the claimed design. 

CLAIM The ornamental design for an on-board armrest box, as shown and described. 